Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
NET INCOME	$ 15,538	$ 13,163
Adjustments to reconcile net income to net cash provided by operations:
Provision for loan losses	3,536	2,150
Depreciation and amortization of premises and equipment, core deposit intangible, and mortgage servicing rights	2,464	2,683
Amortization and accretion of securities premiums and discounts, deferred loan fees and costs, net yield and credit mark on acquired loans, and unearned income	38	(485)
Net realized gains on sales of available-for-sale securities	0	(1,538)
Net realized and unrealized gains on trading securities	(251)	(315)
Proceeds from sale of trading securities	0	402
Purchase of trading securities	(144)	(980)
Gain on sale of branch	0	(536)
Gain on sale of loans	(323)	(156)
Net (gains) losses on dispositions of premises and equipment and foreclosed assets	(217)	20
Proceeds from sale of loans	10,084	13,106
Origination of loans held for sale	(10,774)	(10,714)
Income on bank owned life insurance	(739)	(716)
Stock-based compensation expense	951	396
Changes in:
Accrued interest receivable and other assets	(4,378)	(1,724)
Accrued interest payable and other liabilities	2,151	(3,073)
NET CASH PROVIDED BY OPERATING ACTIVITIES	17,936	11,683
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from maturities, prepayments and calls of available-for-sale securities	21,880	41,358
Proceeds from sales of available-for-sale securities	0	7,618
Purchase of available-for-sale securities	(70,013)	(2,268)
Proceeds from death benefit of BOLI policies	0	203
Net cash received from sale of branch	0	1,079
Loan origination and payments, net	(189,994)	(148,106)
Purchase of FHLB, other equity, and restricted equity interests	(1,172)	(4,112)
Purchase of premises and equipment	(896)	(2,995)
Proceeds from the sale of premises and equipment and foreclosed assets	538	236
NET CASH USED IN INVESTING ACTIVITIES	(239,657)	(106,987)
Net change in:
Checking, money market and savings accounts	220,951	53,958
Certificates of deposit	12,799	6,388
Purchase of treasury stock	(454)	(1,357)
Cash dividends paid	(5,046)	(5,049)
Proceeds from stock offering, net of issuance costs	0	19,294
Repayment of long-term borrowings	(15,131)	(24,945)
Proceeds from long-term borrowings	50,000	140,000
Net change in short-term borrowings	(34,416)	(89,119)
NET CASH PROVIDED BY FINANCING ACTIVITIES	228,703	99,170
NET INCREASE IN CASH AND CASH EQUIVALENTS	6,982	3,866
CASH AND CASH EQUIVALENTS, Beginning	35,345	29,183
CASH AND CASH EQUIVALENTS, Ending	42,327	33,049
Cash paid during the period for:
Interest	11,406	7,916
Income taxes	2,250	3,100
SUPPLEMENTAL NONCASH DISCLOSURES:
Transfers to other real estate owned	3	51
Grant of restricted stock awards from treasury stock	933	943
Net assets transferred for sale of branch, excluding cash and cash equivalents	$ 0	$ 543